W91440N Datasheet, PDF (7/14 Pages) Winbond – 10-MEMORY TONE/PULSE DIALER WITH SAVE FUNCTION

W91440N SERIES
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATING
UNIT
DC Supply Voltage
VDD−VSS
-0.3 to +7.0
V
VIL
VSS −0.3
V
Input/Output Voltage
VIH
VDD +0.3
V
VOL
VSS −0.3
V
VOH
VDD +0.3
V
Power Dissipation
PD
120
mW
Operation Temperature
TOPR
-20 to +70
°C
Storage Temperature
TSTG
-55 to +150
°C
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the
device.
DC CHARACTERISTICS
(VDD−VSS = 2.5V, FOSC. = 3.579545 MHz, TA = 25° C, all outputs unloaded)
PARAMETER
SYMBOL
CONDITIONS
Operating Voltage
VDD
-
Operating Current
IOP
Tone, Unloaded
Pulse, Unloaded
Standby Current
ISB
HKS = VSS, No load &
No key entry
Memory Retention
Current
IMR
HKS = VDD,
VDD = 1.0V
DTMF Output Voltage
VTO
Row group,
RL = 5 KΩ
Pre-emphasis
Col/Row,
VDD = 2.0 to 5.5V
DTMF Distortion
THD
RL = 5 KΩ,
VDD = 2.0 to 5.5V
DTMF Output DC Level
VTDC
RL = 5 KΩ,
VDD = 2.0 to 5.5V
DTMF Output Sink
Current
ITL
VTO = 0.5V
MIN.
2.0
-
-
-
TYP.
-
0.4
0.2
-
MAX.
5.5
0.60
0.40
15
-
-
0.2
130 150 170
1
2
3
-
-30 -23
1.0
-
3.0
0.2
-
-
UNIT
V
mA
µA
µA
mVrms
dB
dB
V
mA
Publication Release Date: May 1997
-7-
Revision A3